Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

It took 82 years and four different plaques to finally get the story right.

A backdoor to Machu Picchu that only the most foolhardy infiltrator would attempt to breach.

The Uros people live on floating reed islands in lake Titicaca.

An unexpected desert oasis in South America.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

A set of ancient drawings in the desert of Peru that are so massive, many of them can only be fully seen from the sky.

Keshwa chaca, among the last handwoven Incan bridges, crosses Apurimac Canyon in Peru.

A remote candy-striped mountain in the Peruvian Andes straight out of the pages of Dr. Seuss.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

A cozy bookstore and coffee shop in the heart of Cartagena's Old City.

The colonial city's social history is reflected in its fanciful door knockers.

A sculpture of a giant hand reaches for the stars in the middle of the Atacama desert.

A museum founded to reflect on and remember the human rights abuses under Chilean dictator Augusto Pinochet.

What was once a unique system of urban elevators is turning into a mechanical ruin.

Popular tourist destination where witches in dark hats sell dried llama fetuses for good luck.

Largest site of dinosaur footprints ever found includes more than 5,000 tracks.

In La Paz's huge, city-sized cemetery, the deceased are stored in rows of apartment-like buildings.

Astronomical observatory above Lake Titicaca.

The celebrity luchadores of La Paz are tough ladies in traditional petticoats and braids.

This likeness of the famous revolutionary is entirely made of recycled scraps of metal.

The soaring gondola lines form the longest aerial cable car system in the world.

Crumbling remnant of Rio's colonial past tucked behind Corcovado mountain in the neighborhood of Cosme Velho.

This stunning Brazilian library contains the largest collection of Portuguese texts outside of Portugal itself.